*{list-style:none;border:0;}
#rocket-to-top div {
    left: 0;
    margin: 0;
    overflow: hidden;
    padding: 0;
    position: absolute;
    top: 0;
    width: 149px;
}

#rocket-to-top .level-2 {
    background: url("../images/rocket_button_up.png") no-repeat scroll -149px 0 transparent;
    display: none;
    height: 250px;
    opacity: 0;
    z-index: 1;
}
#rocket-to-top .level-3 {
    background: none repeat scroll 0 0 transparent;
    cursor: pointer;
    display: block;
    height: 150px;
    z-index: 2;
}
#rocket-to-top {
    background: url("../images/rocket_button_up.png") no-repeat scroll 0 0 transparent;
    cursor: default;
    display: block;
    height: 250px;
    margin: -125px 0 0;
    overflow: hidden;
    padding: 0;
    position: fixed;
    right: 0;
    top: 95%;
    width: 149px;
    z-index: 11;
}
#rocket_info{
    right: 1%;
    top: 43%;
    position: fixed;
    width: 138px;
    height: 195px;
    overflow: hidden;
    z-index: 11;
}
#app{
    position: absolute;
    right: 0;
    bottom: 60px;
    background: url("http://dcmd.oss-cn-beijing.aliyuncs.com/images/app.png");
    width: 48px;
    height: 48px;
}
#aboutUs{
    position: absolute;
    right: 0;
    bottom: 0;
    background: url("http://dcmd.oss-cn-beijing.aliyuncs.com/images/aboutUs.png");
    width: 48px;
    height: 48px;
}
#qrCode{
    display: none;
    background: url("http://dcmd.oss-cn-beijing.aliyuncs.com/images/QRcode/QRcode-100.png");
    width: 100px;
    height: 100px;
}
